Children's Electric Building Blocks Variable Gear Rotating Assembly Puzzle Toy

Product information:
Power supply: battery
Color: 14-piece variable gear set [Ocean Edition], 14-piece variable gear set [Dinosaur Edition], 19-piece variable gear set [Space Edition]
Plastic building block type: Large particles
Material: Plastic/Rubber
Electric: Yes
Packaging: Color box
Category: Building blocks
Specification: Without battery